EP0118687B1 - Dispositif d'identification rétrécissable à la chaleur - Google Patents

Dispositif d'identification rétrécissable à la chaleur Download PDF

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Publication number
EP0118687B1
EP0118687B1 EP84100631A EP84100631A EP0118687B1 EP 0118687 B1 EP0118687 B1 EP 0118687B1 EP 84100631 A EP84100631 A EP 84100631A EP 84100631 A EP84100631 A EP 84100631A EP 0118687 B1 EP0118687 B1 EP 0118687B1
Authority
EP
European Patent Office
Prior art keywords
coating
heatshrinkable
identification device
sleeve
printable layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP84100631A
Other languages
German (de)
English (en)
Other versions
EP0118687A1 (fr
Inventor
Lyubov Blok
David G. Jewell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brady Corp
Original Assignee
Brady Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brady Corp filed Critical Brady Corp
Priority to AT84100631T priority Critical patent/ATE23120T1/de
Publication of EP0118687A1 publication Critical patent/EP0118687A1/fr
Application granted granted Critical
Publication of EP0118687B1 publication Critical patent/EP0118687B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
    • B29C61/0616—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0295—Labels or tickets for tubes, pipes and the like
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/04—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion
    • G09F3/06—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion by clamping action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/005—Oriented
    • B29K2995/0051—Oriented mono-axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/744—Labels, badges, e.g. marker sleeves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
    • Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31565—Next to polyester [polyethylene terephthalate, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31797—Next to addition polymer from unsaturated monomers

Definitions

  • This invention relates to a heatshrinkable identification device according to the pre-characterizing portion claim 1.
  • Some types of identification systems employ a heat shrinkable element that becomes snugly applied to an article after being subjected to heat.
  • An example of this is a heatshrinkable marker sleeve used to identify an electrical wire or similar object.
  • the marker sleeve has a diameter larger than that of the wire and fits loosely about the wire when first inserted on it. The sleeve is thereafter subjected to hot air so as to shrink and tightly conform to the periphery of the wire.
  • Heatshrinkable marker sleeves are made of various types of plastic films or resins that are unidirectionally oriented so as to shrink upon the application of heat. It is generally necessary to apply identification data to the marker sleeve, which may consist of a serial number, name, or other alphanumeric data, in order to identify a specific article to which the sleeve is applied. A user may apply identification data by printing systems typically available in various plants or offices, such as by a typewriter or computer printer, or manually with a writing pen.
  • plastic materials of which identification devices such as marker sleeves are made cannot always be printed conveniently or acceptably with the above types of printed indicia.
  • Various types of printable coatings may be employed with non-heatshrinkable identification devices that will exhibit good adhesion to the devices and good retention of the applied printed data.
  • these same coatings are not suitable for heatshrinkable identification devices because they lose adhesion and become wrinkled when subjected to heat.
  • a printable coating of this composition exhibits excellent receptivity of inks generally used to print legends, can shrink up to 50% when applied to a plastic film without wrinkling and without losing adhesion to the film, and has excellent abrasion resistance.
  • Fig. 1 illustrates a heatshrinkable marker sleeve 1 positioned about a wire 2.
  • the drawing shows the marker sleeve before and after heatshrinking.
  • the marker sleeve 1 is made of a unidirectionally oriented plastic film with the direction of orientation extending circumferentially about the sleeve.
  • the exterior of the sleeve is coated with a printable coating 3 of a composition typically applied to plastic films, of which various formulations are known in the art.
  • a printable coating 3 of a composition typically applied to plastic films, of which various formulations are known in the art.
  • An example of one such composition of this type employs a vinyl resin and solids to form an opaque coating that will retain a printed legend.
  • the coating 3 forms a smooth layer about the sleeve in its pre-heatshrinking condition illustrated in Fig. 1.
  • the diameter of the sleeve is substantially larger than the diameter of the wire and the sleeve can be readily applied to the wire and moved to any desired position.
  • the sleeve 1 shrinks or contracts circumferentially so as to tightly conform to the outer circumference of the wire.
  • Plastic materials typically used for a sleeve of this type usually are capable of shrinking up to 50% in the direction of orientation.
  • the post-heatshrinking condition of the sleeve is also illustrated in Fig. 1. It will be noted that the sleeve has developed a wrinkled or rippled surface after heatshrinking.
  • This adverse appearance and deleterious surface condition of the post-heatshrunk sleeve is the result of the inability of the coating 3 to shrink uniformly in concert with shrinking of the plastic film of which the sleeve is made, so that the coating no longer forms a smooth layer after heatshrinking is completed.
  • This condition of the post-heatshrunk sleeve 1 presents an unattractive appearance that is not acceptable to most end users of heatshrinkable sleeves and can also reduce the legibility of a legend applied to the exterior of the marker sleeve, thereby impairing the identification function of the sleeve.
  • Fig. 2 illustrates a marker sleeve 10 positioned about a wire 11 and shows the condition of the marker sleeve 10 before and after heatshrinking.
  • the marker sleeve 10 is also made of a unidirectionally oriented plastic film with the direction of orientation extending circumferentially about the marker sleeve, as with sleeve 1.
  • the exterior surface of the sleeve 10 is covered with a printable layer 12 according to the present invention, which forms a smooth layer about the exterior of the sleeve on which a legend 13 is printed.
  • the formulations of coatings for the layer 12 are described in greater detail below.
  • the printable layer 12 remains a smooth layer and retains its adhesion to the sleeve even after heatshrinking, instead of exhibiting the adverse post-heatshrunk condition of the coating 3 of Fig. 1. Therefore, the legend 13 applied to the marker sleeve is as legible after heatshrinking as it was prior to heatshrinking, albeit slightly smaller in size especially with respect to the height dimension.
  • the heatshrunk condition of the marker sleeve 10 is further illustrated in the cross-sectional view of Fig. 3.
  • the sleeve 10 tightly conforms to the outer exterior surface of the layer of insulation 15 of the wire 11.
  • the printable layer 12 shrinks along with the shrinking of the sleeve 10 so that it conforms to the outer surface of the sleeve and does not develop wrinkles, lose adhesion to the sleeve 10 or cause wrinkling of the sleeve itself.
  • Fig. 4 illustrates a printable layer 12 applied to a flat identification device 20 made of heatshrinkable plastic film, and which may also include a layer of suitable adhesive on its opposite surface for application to an object.
  • the printable layer 12 of this invention is applied as a coating compounded of a polyester resin and two types of solid particulates.
  • the polyester resin is a solvent soluble, saturated film-forming solid material with an average molecular weight of about 40,000-65,000. It serves as the binder for other components of the coating and forms a flexible coating when dried by removal of the solvent.
  • the polyester must be present in sufficient quantity in the coating formulation to form a continuous film when dried.
  • Polyester resins of the foregoing type are commercially available.
  • An especially useful resin for the printable coating 12 is Dupont's 49000 (Trademark) polyester which is said by Dupont to be the reaction product of ethylene glycol with saturated aromatic and aliphatic dibasic acids, believed to be phthalic and adipic acids. This resin has a hydroxyl number of 10, an acid number of 2, glass transition temperature of +86°F (30°C) and an average molecular weight of about 50,000.
  • polyester resin is Goodyear's Vitel (Trademark) polyester VPE 5987A, which is a linear polyester with an intrinsic viscosity of 0.87, hydroxyl number of 35-50, acid number less than 5, glass transition temperature of about +81°F (27.2°C), an an average molecular weight of about 60,000.
  • VPE 5987A is a linear polyester with an intrinsic viscosity of 0.87, hydroxyl number of 35-50, acid number less than 5, glass transition temperature of about +81°F (27.2°C), an an average molecular weight of about 60,000.
  • the two solid particulates are to be admixed with the polyester film-forming resin for the printable coating 12, calcium carbonate and a silicate compound.
  • the two solids are included in the coating to impart print receptivity, and we have found that both must be present in order to obtain a functional heatshrinkable printable coating and neither one by itself provided adequate ink receptivity.
  • the silicate compound may be, for example, silicon dioxide, magnesium silicate, diatomaceous earth, etc., and the calcium carbonate is preferably a precipitated compound produced by chemical means.
  • a pigment may be compounded with the above ingredients to provide an opaque coating in a selected color.
  • Titanium dioxide is a suitable pigment to produce a white coating.
  • the coatings may be formulated in various other colors, such as red, blue, orange, green, brown and yellow, by the use of a suitable pigment.
  • lampblack can be used instead of titanium dioxide to produce a black coating
  • C.I. Pigment Yellow 14 can be used instead of titanium dioxide to form a yellow coating.
  • colored pigments can be combined with titanium dioxide to form a colored coating.
  • the general formulation for the coating for the printable layer 12 is as follows, expressed on a percentage by weight basis of the total solids:
  • the coating has poor ink receptivity; and if it is present in an excess of the stated range, the coating has too high a viscosity to enable proper application and the coating will wrinkle upon heatshrinking.
  • the above ingredients are formulated in a blend of suitable solvents to provide solubility of the polyester and to impart reasonable stability and aesthetics of the coating upon drying.
  • the coating is applied to a heatshrinkable plastic substrate and then heated to evaporate the solvents and form a dry layer on the substrate.
  • the coating weight applied to the substrate can be varied within a wide range, although care must be taken not to apply an excessive amount of coating as wrinkling will then result.
  • Our work to date indicates coating weights in the range of about 2 to 11 Ibs of dry coating per 3,000 sq. ft. (3.25 to 17.9 grams/sq. meter) of base material produce operable results, with coating weights in the range of 5 to 7 Ibs of dry coating per 3,000 sq. ft. (8.1 to 11.4 grams/sq. meter) of base material providing optimum results.
  • pigment When pigment is included in the coating to impart color or opacity, the quantity will vary with the type of pigment. For a white printable coating, we have found that from 10 to 18% by weight of titanium dioxide, preferably about 15%, provides optimum results. The quantity of pigment incorporated in the formulation also depends upon the degree of opacity desired in the final coating. With titanium dioxide, for example, less than 10% provided insufficient opacity, where as more than 18% had no additional effect on the opacity of the coating.
  • a polyisocyanate particularly an aliphatic isocyanate, may be added to the coating for this purpose in an amount equal to 2 to 5% of the polyester resin solids.
  • a coating solution was formulated of the following composition:
  • the coating was applied to a unidirectionally oriented high density polyethylene film and baked at 150°F (65.5°C) for two minutes to evaporate the solvents.
  • the dried layer was a smooth opaque white layer that exhibited good adhesion to the film and excellent receptivity to printing such as applied by a typewriter and a ballpoint pen.
  • the layer After the coated film was heatshrunk, the layer remained smooth without any wrinkling, retained its ink receptivity, and its adhesion to the film was not impaired.
  • Legends applied to the layer prior to heatshrinking remained fully legible after heatshrinking.
  • the coating was judged to be an excellent printable coating for heatshrinkable identification devices.
  • a coating solution was prepared with the following composition:
  • the coating when applied to the same film as used in Example 1 and dried in the same manner, formed a printable layer with the same characteristics as the printable layer of Example 1. Further, the addition of polyisocyanate aided in preserving adhesion of the coating to the base film during vigorous conditions developed by sonic sealing at production speeds.
  • the polyisocyanate in the above formulation was the reaction product of three moles of 1.6 hexamethylene diisocyanate with one mole of water, and was added as 75% solids in equal parts of xylene and ethyl glycol acetate.
  • Example 1 The coating of Example 1 was applied to unidirectionally oriented heatshrinkable base materials consisting of (1) low density polyethylene film and (2) rigid polyvinyl chloride material. The coating functioned as described in Example 1 on both of these base materials.
  • a yellow printable coating was prepared of the following formulation:
  • the coating when applied to the substrate of Example 1 and dried produced an opaque yellow layer on the substrate which formed a printable layer having the same characteristics as the coating of Example 1.
  • a printable coating made with a polyvinyl chloride resin and another made with an acrylic resin both of which are suitable as printable coatings for non-heatshrinkable identification devices were tested for use on heatshrinkable identification devices. Both coatings exhibited loss of adhesion and wrinkling upon heatshrinking of the base film (a high density polyethylene film) and were therefore unsuitable as printable layers for heatshrinkable identification devices. Also, a polyvinyl chloride resin was substituted for the polyester resin in the coating formulation of Example 1, but was found to have poor adhesion to the base film and formed a soft coating with no abrasion resistance and therefore unsuitable for the intended use.
  • the coated articles of Examples 1-4 were tested for abrasion resistance of the printable layer 12 according to the procedure of MIL-STD-202E dated September 4, 1978, Method 215. This procedure involves immersing the coated articles three separate times in various solvents followed by brushing after each immersion. All of the printable layers of these examples exhibited no significant deterioration under these test conditions, thereby demonstrating their excellent abrasion resistance.
  • a printable layer for heatshrinkable identification devices that is formed from dried coatings of specified composition wherein certain solid ingredients within stated quantity ranges are combined to provide an operable coating.
  • the new printable layers are compounded within described parameters to provide a balance of essential properties: excellent adhesion to heatshrinkable substrates; retention of a smooth, unwrinkled surface even when heatshrunk up to 50%; retention of adhesion to heatshrinkable substrates when heatshrunk up to 50%; maintenance of full legibility of a legend after heatshrinking; and excellent abrasion resistance.
  • the new printable layers described herein can be printed with any of the usual techniques employed in this art, such as with a typewriter, computer printer, pen, and the like, for the application of alphanumeric legends to identification devices.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Insulated Conductors (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Secondary Cells (AREA)

Claims (5)

1. Dispositif d'identification thermorétractable (10, 20) comprenant un substrat plastique thermorétractable et une couche imprimable (12) sur une surface extérieure du substrat formant une surface lisse pour l'application d'indices (13) d'identification alphanumériques caractérisé par le fait que le substrat thermorétractable est fait d'un film plastique orienté unidirectionnellement et la couche imprimable (12) comprend, en pourcentage en poids sur la base des solids, (a) 50-62% d'une résine polyester solide, filmogène, saturée, soluble dans un solvant, (b) 16―20% de carbonate de calcium, (c) 9-16% d'un composé silicate et (d) 10-18% de pigment, ladite couche imprimable (12) restant une surface lisse et conservant cette surface lisse lorsque le substrat plastique subit un retrait à la chaleur de jusqu'à 50% dans une direction.
2. Dispositif d'identification selon la revendication 1, caractérisé par le fait que le substrat plastique est un manchon de repérage (10) à extrémités ouvertes opposées.
3. Dispositif d'identification selon la revendication 1 ou 2, caractérisé par le fait que le pigment est du bioxyde de titane et la couche imprimable (12) est une couche opaque blanche.
4. Dispositif d'identification selon la revendication 1 ou 2, caractérisée par le fait que le pigment comprend un pigment coloré pour former une couche imprimable, opaque, colorée (12).
5. Dispositif d'identification selon la revendication 1 ou 2, caractérisé par le fait que la couche imprimable comprend un composé isocyanate pour réticuler la résine polyester, le composé isocyanate étant présent en proportion de 2-5% de la résine polyester.
EP84100631A 1983-02-07 1984-01-21 Dispositif d'identification rétrécissable à la chaleur Expired EP0118687B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84100631T ATE23120T1 (de) 1983-02-07 1984-01-21 Heissschrumpfbare erkennungsvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/464,273 US4461793A (en) 1983-02-07 1983-02-07 Printable coating for heatshrinkable materials
US464273 1983-02-07

Publications (2)

Publication Number Publication Date
EP0118687A1 EP0118687A1 (fr) 1984-09-19
EP0118687B1 true EP0118687B1 (fr) 1986-10-29

Family

ID=23843231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84100631A Expired EP0118687B1 (fr) 1983-02-07 1984-01-21 Dispositif d'identification rétrécissable à la chaleur

Country Status (6)

Country Link
US (1) US4461793A (fr)
EP (1) EP0118687B1 (fr)
JP (1) JPS59152842A (fr)
AT (1) ATE23120T1 (fr)
CA (1) CA1207118A (fr)
DE (1) DE3461058D1 (fr)

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US4701367A (en) * 1986-02-27 1987-10-20 Xerox Corporation Coatings for typewriter transparencies
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US4879148A (en) * 1987-03-02 1989-11-07 Raychem Limited Marker assembly
US4969402A (en) * 1989-01-31 1990-11-13 Raychem Corporation Article having permanent indicia thereon
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Also Published As

Publication number Publication date
ATE23120T1 (de) 1986-11-15
US4461793A (en) 1984-07-24
EP0118687A1 (fr) 1984-09-19
DE3461058D1 (en) 1986-12-04
JPH0354624B2 (fr) 1991-08-20
CA1207118A (fr) 1986-07-08
JPS59152842A (ja) 1984-08-31

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